diff options
| author | Coiby Xu <coxu@redhat.com> | 2026-02-13 09:28:46 +0800 |
|---|---|---|
| committer | Mimi Zohar <zohar@linux.ibm.com> | 2026-03-05 11:10:08 -0500 |
| commit | 31a6a07eefeb4c84bd6730fbe9e95fd9221712cf (patch) | |
| tree | 0e50de52df88419fa0f8005afa1109cb24fe5eec /include/linux | |
| parent | 11439c4635edd669ae435eec308f4ab8a0804808 (diff) | |
integrity: Make arch_ima_get_secureboot integrity-wide
EVM and other LSMs need the ability to query the secure boot status of
the system, without directly calling the IMA arch_ima_get_secureboot
function. Refactor the secure boot status check into a general function
named arch_get_secureboot.
Reported-and-suggested-by: Mimi Zohar <zohar@linux.ibm.com>
Suggested-by: Roberto Sassu <roberto.sassu@huawei.com>
Signed-off-by: Coiby Xu <coxu@redhat.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/ima.h | 7 | ||||
| -rw-r--r-- | include/linux/secure_boot.h | 19 |
2 files changed, 20 insertions, 6 deletions
diff --git a/include/linux/ima.h b/include/linux/ima.h index abf8923f8fc5..8e08baf16c2f 100644 --- a/include/linux/ima.h +++ b/include/linux/ima.h @@ -11,6 +11,7 @@ #include <linux/fs.h> #include <linux/security.h> #include <linux/kexec.h> +#include <linux/secure_boot.h> #include <crypto/hash_info.h> struct linux_binprm; @@ -73,14 +74,8 @@ int ima_validate_range(phys_addr_t phys, size_t size); #endif #ifdef CONFIG_IMA_SECURE_AND_OR_TRUSTED_BOOT -extern bool arch_ima_get_secureboot(void); extern const char * const *arch_get_ima_policy(void); #else -static inline bool arch_ima_get_secureboot(void) -{ - return false; -} - static inline const char * const *arch_get_ima_policy(void) { return NULL; diff --git a/include/linux/secure_boot.h b/include/linux/secure_boot.h new file mode 100644 index 000000000000..3ded3f03655c --- /dev/null +++ b/include/linux/secure_boot.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2026 Red Hat, Inc. All Rights Reserved. + * + * Author: Coiby Xu <coxu@redhat.com> + */ + +#ifndef _LINUX_SECURE_BOOT_H +#define _LINUX_SECURE_BOOT_H + +#include <linux/types.h> + +/* + * Returns true if the platform secure boot is enabled. + * Returns false if disabled or not supported. + */ +bool arch_get_secureboot(void); + +#endif /* _LINUX_SECURE_BOOT_H */ |